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大跨度轻型钢结构的安装精度怎么控制

来源:http://www.jnghbxg.com 日期:2020-06-15 发布人:yangxiang 浏览次数:
  大跨度钢结构的复杂性和施工方法的多样性是设必须考虑的问题。这是在设计过程中经常被忽视或考虑得很差的一个方面。施工主要包括以下安装技术。在施工过程中,应注意以下问题:复杂空间钢结构的安装应进行测量和控制。由于测量与控制是钢结构工程施工技术的一部分,其工程施工方案合理、先进。通过大量的测控数据对结果进行了分析和验证。对于大跨度钢结构,由于结构在施工过程和成型后的变形和应力状态差异较大,需要使用多种支撑轮胎来保证结构的精度。
  The complexity of long-span steel structure and the diversity of construction methods are the problems that must be considered in the design. This is an aspect that is often ignored or poorly considered in the design process. The construction mainly includes the following installation technologies. During the construction, the following problems should be paid attention to: the installation of complex space steel structure should be measured and controlled. As measurement and control is a part of steel structure construction technology, its construction scheme is reasonable and advanced. Through a large number of measurement and control data, the results are analyzed and verified. For long-span steel structure, due to the large difference of deformation and stress state in the construction process and after forming, it is necessary to use a variety of supporting tires to ensure the accuracy of the structure.
济南轻型钢结构
  1.即拆卸控制
  1. Disassembly control
  由于大跨度钢结构总卸货吨位大、分布广泛的卸货点,单点卸载压力,卸货工作负载的计算和分析,如大,如果不合理的支持力量的释放,将会破坏结构或使脚手架逐渐稳定。因此,卸货的钢结构必须进行严格按照两个卸载方法的要求,等于比率法和等距离法,基于结构的计算和分析,针对结构的安全,以变形协调为核心,实时监控保证。
  Due to the large tonnage and wide distribution of unloading points, single point unloading pressure and calculation and analysis of unloading working load of large-span steel structure, if the unreasonable support force is released, the structure will be damaged or the scaffold will be gradually stable. Therefore, the unloading steel structure must be strictly in accordance with the requirements of the two unloading methods, equal to the ratio method and the equal distance method. Based on the calculation and analysis of the structure, aiming at the safety of the structure, the deformation coordination is the core and real-time monitoring is guaranteed.
  2.提升方案
  2. Improvement plan
  大跨度钢梁吊装,如果没有合理的吊点计算,仍然选择传统的两段,由于钢结构较长,吊点间距较大,重量和可变负荷等因素,钢梁和钢丝绳的轴向力很大,容易梁横向弯曲,甚至更严重的变形。
  For the hoisting of long-span steel beams, if there is no reasonable calculation of lifting points, the traditional two sections are still selected. Due to the long steel structure, large distance between lifting points, weight and variable load and other factors, the axial force of steel beams and steel wire ropes is very large, which makes it easy for the beams to bend laterally or even to deform more seriously.
  钢结构画廊
  Steel structure Gallery
  加强大跨度钢结构施工现场,增加对施工人员的知识培训,使其对钢构件的力学特性和吊装知识有更具体的了解。同时加强施工组织设计对吊装方案进行合理论证,以选择更合理的吊装方案。
  Strengthen the construction site of large-span steel structure, increase the professional knowledge training of construction personnel, so that they have a more specific understanding of the mechanical characteristics of steel members and lifting knowledge. At the same time, strengthen the construction organization design to carry on the reasonable demonstration to the hoisting scheme, in order to choose the more reasonable hoisting scheme.
  钢桁架
  Steel truss
  3安装顺序
  3 installation sequence
  由于大跨度钢结构对安装顺序的要求较高,如果安装顺序考虑不当,钢构件不满足吊装的需要,可能会影响结构的安全。在施工组织设计中,合理安排安装顺序,统一协调工厂加工、构件运输和现场安装。在施工过程中,要严格执行。除了认真制定适合本工程的安装顺序外,还应选择有经验的施工队伍进行安装,避免潜在的质量隐患。
  Due to the high requirements of large-span steel structure on the installation sequence, if the installation sequence is not considered properly, the steel members do not meet the needs of hoisting, which may affect the safety of the structure. In the construction organization design, reasonably arrange the installation sequence, and coordinate the factory processing, component transportation and site installation. In the process of construction, it shall be strictly implemented. In addition to carefully formulating the installation sequence suitable for the project, experienced construction team shall be selected for installation to avoid potential quality hazards.
  大跨度钢结构广泛应用于具体工程项目中。针对施工过程中出现的各种问题,加强施工组织和设计的优化,强化安全质量红线,不断提高施工工艺。
  Large span steel structure is widely used in specific projects. In view of various problems in the construction process, strengthen the optimization of construction organization and design, strengthen the red line of safety and quality, and constantly improve the construction technology.
  以上是济南轻型钢结构公司小编为大家介绍的相关内容,想要了解更多内容,欢迎访问网站:http://www.jnghbxg.com
  The above is the relevant content introduced by Jinan light steel structure company. If you want to know more, please visit the website: http://www.jnghbxg.com